Date of Birth: 
Place of Birth: Saitama, Kantō region, Japan
About Yui Koike
- Yui Koike (?? ?, Koike Yui, born April 4, 1991 in Saitama, Japan) is a Japanese gravure idol, singer and actress known for her role as Ahim de Famille/Gokai Pink in the 2011 Super Sentai series Kaizoku Sentai Gokaiger.
- She was a member of an idol group named "Tomato n'pine" (or Tomapai for short).
- She was affiliated with Four Springs before her contract with them expired on July 7, 2013; she was affiliated with Starray Production from June 2014 to 2015
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